From: Dave Hansen <dave.hansen@intel.com>
To: "Denis V. Lunev" <den@virtuozzo.com>,
"Denis V. Lunev" <den@openvz.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
x86@kernel.org
Cc: Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
"Mike Rapoport (Microsoft)" <rppt@kernel.org>,
Juergen Gross <jgross@suse.com>, Kiryl Shutsemau <kas@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/mm/pat: take cpa_lock around large-page collapse
Date: Fri, 10 Jul 2026 10:15:54 -0700 [thread overview]
Message-ID: <a33dce28-596f-4a4b-bd39-f3b2ad9f0d73@intel.com> (raw)
In-Reply-To: <d473612f-5bbc-4c7a-8587-363f1008f355@virtuozzo.com>
cpa_collapse_large_pages() seems to be a never ending source of bugs.
I'm tempted to say we should just axe it, call it a failed experiment,
and move on with life.
Is it worth keeping?
next prev parent reply other threads:[~2026-07-10 17:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-26 16:32 Denis V. Lunev
2026-07-02 17:47 ` Denis V. Lunev
2026-07-03 13:01 ` Kiryl Shutsemau
2026-07-10 16:15 ` Denis V. Lunev
2026-07-10 17:15 ` Dave Hansen [this message]
2026-07-11 8:47 ` Mike Rapoport
2026-07-10 17:13 ` Dave Hansen
2026-07-11 8:56 ` Mike Rapoport
2026-07-15 12:20 ` Denis V. Lunev
2026-07-16 17:54 ` Lorenzo Stoakes (ARM)
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